caiyu/nextpnr
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

[timing] More verbosity for crit path report

Browse Source
This commit is contained in:
Eddie Hung 2018-11-11 11:55:27 -08:00
parent 83117bef66
commit dd85e11abb
1 changed files with 20 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
common/timing.cc
View File

@ -405,7 +405,26 @@ void timing_analysis(Context *ctx, bool print_histogram, bool print_path)
log_info("%4.1f %4.1f Net %s budget %f ns (%d,%d) -> (%d,%d)\n", ctx->getDelayNS(net_delay),
ctx->getDelayNS(total), net->name.c_str(ctx), ctx->getDelayNS(sink->budget), driver_loc.x,
driver_loc.y, sink_loc.x, sink_loc.y);
log_info(" Sink %s.%s\n", sink_cell->name.c_str(ctx), sink->port.c_str(ctx));
log_info(" Sink %s.%s\n", sink_cell->name.c_str(ctx), sink->port.c_str(ctx));
if (ctx->verbose) {
auto driver_wire = ctx->getNetinfoSourceWire(net);
auto sink_wire = ctx->getNetinfoSinkWire(net, *sink);
log_info(" prediction: %f ns estimate: %f ns\n",
ctx->getDelayNS(ctx->predictDelay(net, *sink)), ctx->getDelayNS(ctx->estimateDelay(driver_wire, sink_wire)));
auto cursor = sink_wire;
delay_t cursor_delay;
while (driver_wire != cursor) {
cursor_delay = ctx->getWireDelay(cursor).maxDelay();
log_info(" %1.3f %30s\n", ctx->getDelayNS(cursor_delay), ctx->getWireName(cursor).c_str(ctx));
auto it = net->wires.find(cursor);
assert(it != net->wires.end());
auto pip = it->second.pip;
NPNR_ASSERT(pip != PipId());
cursor = ctx->getPipSrcWire(pip);
}
cursor_delay = ctx->getWireDelay(cursor).maxDelay();
log_info(" %1.3f %30s\n", ctx->getDelayNS(cursor_delay), ctx->getWireName(cursor).c_str(ctx));
}
last_port = sink->port;
}
log_break();